phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3a281e5e9928e30358e70e1c2024ce13' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('3a281e5e9928e30358e70e1c2024ce13', -1, 1544500018, 1544500018, '36a4c6f0', -4, 0, 0)

Line : 187
File : sessions.php